NDLI: Bioaugmented sulfur-oxidizing denitrification system with Alcaligenes defragrans B21 for high nitrate containing wastewater treatment

Content Provider	Springer Nature Link
Author	Flores, Angel Nisola, Grace M. Cho, Eulsaeng Gwon, Eun Mi Kim, Hern Lee, Changhee Park, Shinjung Chung, Wook Jin
Copyright Year	2007
Abstract	The performance of enriched sludge augmented with the B21 strain of Alcaligenes defragrans was compared with that of enriched sludge, as well as with pure Alcaligenes defragrans B21, in the context of a sulfur-oxidizing denitrification (SOD) process. In synthetic wastewater treatment containing 100–1,000 mg NO 3 − -N/L, the single strain-seeded system exhibited superior performance, featuring higher efficiency and a shorter startup period, provided nitrate loading rate was less than 0.2 kg NO 3 − -N/m3 per day. At nitrate loading rate of more than 0.5 kg NO 3 − -N/m3 per day, the bioaugmented sludge system showed higher resistance to shock loading than two other systems. However, no advantage of the bioaugmented system over the enriched sludge system without B21 strain was observed in overall efficiency of denitrification. Both the bioaugmented sludge and enriched sludge systems obtained stable denitrification performance of more than 80% at nitrate loading rate of up to 2 kg NO 3 − -N/m3 per day.
Starting Page	197
Ending Page	205
Page Count	9
File Format	PDF
ISSN	16157591
Journal	Bioprocess Engineering
Volume Number	30
Issue Number	3
e-ISSN	16157605
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-02-09
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sulfur-oxidizing denitrification Bioaugmentation Alcaligenes defragrans B21 Food Science Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution Waste Management/Waste Technology Industrial and Production Engineering Industrial Chemistry/Chemical Engineering Biotechnology
Content Type	Text
Resource Type	Article
Subject	Medicine Bioengineering Biotechnology

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